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Since 1973, the Ob-301 three-program receiver has been produced by the Novosibirsk plant of low-voltage equipment. ,86e6f450b8cc469628ba70bf2947b049PT "Ob-301" (GT-III) became the first three-program receiver NZNVA. ,86e6f450b8cc469628ba70bf2947b049It is designed to receive programs transmitted over a compressed radio broadcasting network. ,86e6f450b8cc469628ba70bf2947b049On the back wall of the PT there are three knobs for adjusting the sensitivity of each program, and also (not on all PTs) there is a socket for an additional loudspeaker with an input impedance of 2 to 8 ohms. ,86e6f450b8cc469628ba70bf2947b049The model has five transistors and three diodes. ,86e6f450b8cc469628ba70bf2947b049The power source is an alternating current network with a voltage of 127 or 220 V. ,86e6f450b8cc469628ba70bf2947b049The output power of the LF channel is 100 mW. ,86e6f450b8cc469628ba70bf2947b049The range of reproducible sound frequencies is 160..5000 Hz. ,86e6f450b8cc469628ba70bf2947b049The loudspeaker is of the 1GD-30 type. ,86e6f450b8cc469628ba70bf2947b049Power consumption from the network - 4 watts. ,86e6f450b8cc469628ba70bf2947b049The dimensions of the receiver are 160 x 260 x 90 mm. ,86e6f450b8cc469628ba70bf2947b049Weight - 1.6 kg. ,86e6f450b8cc469628ba70bf2947b049The price is 14 rubles 50 kopecks.,86e6f450b8cc469628ba70bf2947b049,null,ru,null,null,null,null